A bad design is a good reminder
37signals.com
37signals.com
Like seeing a C-list celebrity in person and shaking their hand - odds are, the next time you see one of their movies, you'll have a special place in your heart for what they do, even if it, previously, was of no interest to you.
1. An indicator to inform the user of the object's current state. Based on the comments in the original post, it seems that the dishwasher actually does have an indicator light but for some reason it was accidentally covered up.
2. A forcing function, which is meant to constrain user actions in order to prevent error and/or guide the user toward the intended behavior.
They eventually fixed this by a ranging for an artistic arrangement of dots on the glass, which appear suspended in air over the alcove and clue people in that there is glass. The new problem? People try to touch the dots, so the glass is now smudgy for most of the day, which predictably drives the janitors nuts.
It's easy to make a steel plate with a handle, but design should incorporate usability (notification LED, for example) and safety (locking mechanism). Without those it's just pretty bad design.
I'm having a guilty-pleasure chuckle right now because the "kings" of UI are getting sloshed with soapy water because of a bad design decision :)
This is analogous to a row of unlabeled buttons that only show their meaning on hover. Sure, if the user stopped for a moment and surveyed the scene, it would be possible to know what everything does. But to what end? There are no benefits and the cost is high: you interrupt the user's train of thought. More on that:
http://www.azarask.in/blog/post/help-your-train-of-thought-i...